Plastic bag and pencil

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Ever wondered what would happen with a filled with water plastic bag if you pierced it with a pencil? It should be alright as long as you leave the pencil in it.

If you want to know why the bag doesn’t leak, please read explanation below

https://www.instagram.com/p/BEJQAMMRCsC/
https://instagram.com/p/BEJQAMMRCsC/

Most of plastic bags are made out of polymers with flexible chains of molecules. When the pencil goes through the bag, the stretchy plastic hugs around it, creating a watertight seal and the bag doesn’t leak.

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